<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<title></title>
		<style>
			div{
				width: 100px;
				height: 100px;
				background-color: gold;
				/*transition: width 2s ease; */
				/*transition: width 2s ease,height 2s ease;*/
				transition-property: width height background-color;
				transition-duration: 2s;
				transition-timing-function: ease linear;
			}
			div:hover{
				width: 500px;
				height: 500px;
				background-color: #03A9F4;
			}
		</style>
	</head>
	<body>
		<div></div>
	</body>
</html>
